Prior to Use
• Please make sure the CR2 battery is inserted correctly by removing the clear plastic wrap around the battery and inserting with negative end facing in.
• Please turn the eyepiece (diopter) to the left or right to adjust it to your eyesight.
• Last but not least, enjoy your round with GolfBuddy!
URL : http://help.golfbuddy.com/sList.asp?searchproduct=20&searchcategory=6&seq=1391&page=1&searchtext=